[llvm] [InstCombine] Simplify a complex OR to XOR (PR #75129)

[Craig Topper via llvm-commits]

topperc wrote:

I think (and (add x, 32), 48) can be replaced with (and (xor x, 32), 48). Is that optimization alone enough to trigger the rest?

https://github.com/llvm/llvm-project/pull/75129